Document and Entity Information - shares	9 Months Ended
	Dec. 31, 2016	Feb. 03, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	CAVCO INDUSTRIES INC
Entity Central Index Key	0000278166
Current Fiscal Year End Date	--04-01
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Dec. 31, 2016
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		8,993,268